Belt dryer

Abstract

The utility model discloses a belt dryer which comprises heat preservation covers, a feeding mechanism, a drying tank and a collecting hopper, the heat preservation covers are arranged at the two ends of the drying tank, an electric heating coil pipe is arranged on the inner cavity wall of the drying tank, the collecting hopper is arranged in the middle of the bottom end of the drying tank, an air blower is arranged below the collecting hopper, and the feeding mechanism is arranged below the air blower. A feeding mechanism is arranged in the drying tank, and a fan is arranged in the middle of the top end of the drying tank. The heat preservation covers are arranged at the two ends of the drying tank, heat preservation can be conducted on the feeding mechanism through the heat preservation covers, hot air can be prevented from flowing out, the drying effect can be improved, the discharging groove is formed in the outer side of the feeding mechanism, materials can be placed and conveyed through the discharging groove, and the materials can be circularly fed on the conveying belt; materials can be circularly dried in the drying tank, and the drying efficiency can be improved; a collecting hopper is arranged at the bottom of the drying tank, and a blowing head is arranged below the collecting hopper.

Description

Technical Field

[0001] The utility model relates to the field of dryers, in particular to a belt dryer. Background Art

[0002] The new low-temperature continuous vacuum crawler dryer adopts new non-stick crawler material, multi-stage temperature control, automatic vacuum adjustment and new structure. It has the characteristics of low energy consumption and minimal loss of volatile components. It can be used for drying solid or liquid materials, especially suitable for application in the pharmaceutical industry.

[0003] For example, the authorized patent with announcement number CN220321933U (electrically heated belt dryer): comprising a belt dryer body, a feed port is installed on the left upper end of the belt dryer body, a loading device is installed on the left end of the feed port, a discharge port is installed on the right end of the belt dryer body, a receiving device is installed on the lower end of the discharge port, and a plurality of electric heating devices are installed on the front end of the belt dryer body, and the plurality of electric heating devices are distributed on the belt dryer body at equal distances from left to right. The electrically heated belt dryer described in the utility model heats the incoming fresh air through the heater on the electric heating device, and after the hot air is evenly mixed at the heat collection shrinkage port, the fan delivers the hot air into the heating chamber of the belt dryer, thereby ensuring the uniformity of drying temperature and reducing heat energy loss. The loading device can facilitate the loading of materials, and the receiving device can facilitate the collection of dried materials, thereby improving the degree of automation of the device;

[0004] The above-mentioned prior art cannot circulate the material for drying during the material conveying process, so that the drying cannot be thoroughly controlled, the feed control is not convenient enough, and the secondary blowing drying cannot be performed after the dried material is discharged. Utility Model Content

[0005] The utility model aims to provide a belt dryer to solve the problems raised in the above background technology that the material cannot be circulated and dried during the conveying process, the drying cannot be thoroughly controlled, the feed control is not convenient, and the secondary blowing drying cannot be performed after the dry material is discharged.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a belt dryer, comprising a heat preservation cover, a feeding mechanism, a drying tank and a collecting hopper, heat preservation covers are provided at both ends of the drying tank, an electric heating coil is provided on the inner cavity wall of the drying tank, a collecting hopper is provided in the middle of the bottom end of the drying tank, a blower is provided obliquely below the collecting hopper, a feeding mechanism is provided inside the drying tank, and a blower is provided in the middle of the top end of the drying tank.

[0007] In a further embodiment, a blowing head is provided obliquely below the collecting hopper, and an end of the blowing head is connected to a blowing port of a blower.

[0008] In a further embodiment, an electric heating layer is provided on the inner side of the collecting hopper, a discharge head is provided at the bottom end of the collecting hopper, and a sealing cover is provided at the bottom end port of the discharge head.

[0009] In a further embodiment, a control panel is provided on the front of the drying tank, and an output end of the control panel is electrically connected to an input end of the fan, the electric heating coil and the blower.

[0010] In a further embodiment, a discharge trough is provided in the middle of the feeding mechanism, and a breathable net is provided on the discharge trough.

[0011] In a further embodiment, a feeding hopper is provided on one side of the top of the heat preservation cover, a material receiving port is provided in the middle of one side of the top of the discharge trough, the material receiving port is opposite to the bottom discharge port of the feeding hopper, and an electric valve is provided in the middle of the material receiving port.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Both ends of the drying tank of the utility model are provided with heat preservation covers, which can be used to insulate the feeding mechanism, avoid the outflow of hot air, and improve the drying effect. A discharge trough is provided on the outside of the feeding mechanism, which can not only place the material for transportation, but also circulate the material on the conveyor belt, so that the material can be circulated and dried in the drying tank, which can improve the drying efficiency.

[0014] 2. The utility model has a collecting hopper at the bottom of the drying tank, a blowing head at the oblique lower part of the collecting hopper, a blower at the end of the blowing head, and an electric heating layer inside the collecting hopper, so that the discharged material can be dried twice, so that the drying effect can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a belt dryer of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the collecting hopper of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the drying tank of the utility model;

[0018] Figure 4 It is a top view of the feeding mechanism of the utility model;

[0019] Figure 5 It is a structural schematic diagram of part A of the utility model.

[0020] In the figure: 1. Insulation cover; 2. Feeding mechanism; 3. Discharge trough; 4. Drying tank; 5. Control panel; 6. Fan; 7. Feeding hopper; 8. Collecting hopper; 9. Discharge head; 10. Blowing head; 11. Blower; 12. Material receiving port; 13. Electric heating coil. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-5 The utility model provides an embodiment: a belt dryer, including a heat preservation cover 1, a feeding mechanism 2, a drying tank 4 and a collecting hopper 8. The heat preservation cover 1 is provided at both ends of the drying tank 4, the inner cavity wall of the drying tank 4 is provided with an electric heating coil 13, the collecting hopper 8 is provided in the middle of the bottom end of the drying tank 4, and a blower 11 is provided obliquely below the collecting hopper 8. The feeding mechanism 2 is provided inside the drying tank 4, and the fan 6 is provided in the middle of the top of the drying tank 4. The feeding mechanism 2 is insulated by the heat preservation cover 1, the inner wall of the drying tank 4 can be heated by the electric heating coil 13, the collecting hopper 8 is used to collect the dried materials, the blower 11 is used to blow air into the collecting hopper 8, the feeding mechanism 2 is used to feed the materials, and the fan 6 is used to blow air.

[0023] A blowing head 10 is provided obliquely below the collecting hopper 8, and the end of the blowing head 10 is connected to the blowing port of the blower 11, and the blowing head 10 is used to connect the blower 11. An electric heating layer is provided on the inner side of the collecting hopper 8, and a discharge head 9 is provided at the bottom end of the collecting hopper 8. A sealing cover is provided at the bottom end of the discharge head 9, and the inside of the collecting hopper 8 can be heated through the electric heating layer.

[0024] A control panel 5 is provided on the front of the drying tank 4 , and the output end of the control panel 5 is electrically connected to the input ends of the fan 6 , the electric heating coil 13 and the blower 11 , and the fan 6 , the electric heating coil 13 and the blower 11 are intelligently controlled through the control panel 5 .

[0025] A discharge trough 3 is provided in the middle of the feeding mechanism, and a breathable net is provided on the discharge trough 3, and the material is placed through the discharge trough 3. A feeding hopper 7 is provided on one side of the top of the heat preservation cover 1, and a material receiving port 12 is provided in the middle of one side of the top of the discharge trough 3, and the material receiving port 12 is directly opposite to the bottom discharge port of the feeding hopper 7. An electric valve is provided in the middle of the material receiving port 12, and the material is conveniently added into the discharge trough 3 through the feeding hopper 7.

[0026] Working principle: When in use, add the material into the feeding hopper 7, add the material into the discharge trough 3 through the material receiving port 12, and send the material into the drying tank 4 through the discharge trough 3 through the feeding mechanism 2. The fan 6 and the electric heating coil 13 are controlled by the control panel 5 to generate hot air and discharge it into the drying tank 4, so that the material in the discharge trough 3 is dried by the hot air. The dried material is discharged into the collecting hopper 8 through the material receiving port 12, and the blower 11 blows air from the blowing head 10 into the collecting hopper 8, so that the material discharged from the collecting hopper 8 can be dried, and the dried material can be discharged through the discharge head 9, and the feeding mechanism 2 can be dried through the heat preservation cover 1.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A belt dryer, comprising a heat preservation cover (1), a feeding mechanism (2), a drying tank (4) and a collecting hopper (8), characterized in that: Both ends of the drying tank (4) are provided with heat-insulating covers (1), the inner wall of the drying tank (4) is provided with an electric heating coil (13), a collecting hopper (8) is provided in the middle of the bottom end of the drying tank (4), a blower (11) is provided obliquely below the collecting hopper (8), a feeding mechanism is provided inside the drying tank (4), and a blower (6) is provided in the middle of the top end of the drying tank (4).

2. A belt dryer according to claim 1, characterized in that: A blowing head (10) is provided obliquely below the collecting hopper (8), and the end of the blowing head (10) is connected to the blowing port of the blower (11).

3. A belt dryer according to claim 1, characterized in that: An electric heating layer is provided on the inner side of the collecting hopper (8), a discharge head (9) is provided at the bottom end of the collecting hopper (8), and a sealing cover is provided at the bottom end of the discharge head (9).

4. A belt dryer according to claim 1, characterized in that: A control panel (5) is provided on the front of the drying tank (4), and an output end of the control panel (5) is electrically connected to an input end of a fan (6), an electric heating coil (13) and a blower (11).

5. The belt dryer according to claim 1, characterized in that: A material discharge trough (3) is provided in the middle of the feeding mechanism, and a breathable net is provided on the material discharge trough (3).

6. A belt dryer according to claim 5, characterized in that: A feeding hopper (7) is provided on one side of the top of the heat-insulating cover (1), a material receiving port (12) is provided in the middle of one side of the top of the material discharge trough (3), the material receiving port (12) is directly opposite to the bottom discharge port of the feeding hopper (7), and an electric valve is provided in the middle of the material receiving port (12).

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